#include <stdio.h>
#include <math.h>
int main()
{
    double a,b,c,disc,x1,x2,realpart,imagpart;
    scanf("%lf,%lf,%lf",&a,&b,&c);
    printf("The equation");
    if(fabs(a)<=1e-6)
        printf("is not a quadratic\n");
    else
    {
        disc=b*b-4*a*c;
        if(fabs(disc)<=1e-6)
            printf("has two equal roots:%8.4f\n",-b/(2*a));
            else 
                if(disc>1e-6)
                {
                    x1=(-b+sqrt(disc))/(2 *a);
                    x2=(-b-sqrt(disc))/(2*a);
                    printf("has distinct real roots:%8.4f and %8.4f\n",x1,x2);
                }
                else
                {
                    realpart=-b/(2*a);
                    imagpart=sqrt(-disc)/(2*a);
                    printf(" has complex roots:\n");
                    printf("%8.4f+%8.4fi\n", realpart, imagpart);
                    printf("%8.4f-%8.4fi\n", realpart, imagpart);
                }
    }
    return 0;
}